Patents by Inventor Les A. Feldman

Les A. Feldman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6884393
    Abstract: Disclosed herein are methods of sterilizing a device in a sterilizer, methods of sterilizing a device in an enclosure in a sterilizer, and enclosures for retaining a device capable of being sterilized in a sterilization process. The sterilization process comprises hydrogen peroxide vapor or gas. The sterilization load may include an enclosure, which can be a tray or a container. The tray or container comprises at least a volume of aluminum oxide. The ratio of the amount of hydrogen peroxide gas or vapor introduced into the sterilizer to the volume of aluminum oxide is at least 24 mg/cm3.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: April 26, 2005
    Assignee: Ethicon, Inc.
    Inventors: Henry K. Hui, Les A. Feldman, Nancy Chu, Su-Syin Wu
  • Publication number: 20040084060
    Abstract: A method and kit are disclosed for removing or alleviating the severity or intensity of stains from aldehyde-based sterilizing solutions through the use of reducing agents. This invention is effective even for porous surfaces such as filter paper and porous nylon films as well as for smooth surfaces such as glass, aluminum, copper, brass and stainless steel. Also, the invention may be used in a variety of formats such as a kit useful for making or using solutions or gels to treat the aldehyde-based stained surfaces of, for example, medical devices, hospital bench or table tops, hospital floors and skin (if in appropriate pH range), etc.
    Type: Application
    Filed: July 16, 2003
    Publication date: May 6, 2004
    Inventors: Peter Zhu, Henry Hui, Les Feldman
  • Publication number: 20030053930
    Abstract: Disclosed herein are methods of sterilizing a device in a sterilizer, methods of sterilizing a device in an enclosure in a sterilizer, and enclosures for retaining a device capable of being sterilized in a sterilization process. The sterilization process comprises hydrogen peroxide vapor or gas. The sterilization load may include an enclosure, which can be a tray or a container. The tray or container comprises at least a volume of aluminum oxide. The ratio of the amount of hydrogen peroxide gas or vapor introduced into the sterilizer to the volume of aluminum oxide is at least 24 mg/cm3.
    Type: Application
    Filed: July 13, 2001
    Publication date: March 20, 2003
    Inventors: Henry K. Hui, Les A. Feldman, Nancy Chu, Su-Syin Wu
  • Publication number: 20020033184
    Abstract: A method and kit are disclosed for removing or alleviating the severity or intensity of stains from aldehyde-based sterilizing solutions through the use of reducing agents. This invention is effective even for porous surfaces such as filter paper and porous nylon films as well as for smooth surfaces such as glass, aluminum, copper, brass and stainless steel. Also, the invention may be used in a variety of formats such as a kit useful for making or using solutions or gels to treat the aldehyde-based stained surfaces of, for example, medical devices, hospital bench or table tops, hospital floors and skin (if in appropriate pH range), etc.
    Type: Application
    Filed: June 28, 2001
    Publication date: March 21, 2002
    Inventors: Peter Zhu, Henry Hui, Les Feldman